back_hack's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 419 | 8841 | - | - | - | ||
| AtCoder Beginner Contest 420 | 8550 | 184 |  9 |
- | ||
| AtCoder Beginner Contest 421 | 9625 | 157 | 26 |
+17 | ||
| AtCoder Beginner Contest 422 | 4940 | 253 | 51 |
+25 | ||
| AtCoder Beginner Contest 423 | 7649 | 74 | 53 |
+2 |